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How to erase the file contents of text file in Python?
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edited Jun 28 '18 at 20:38
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answered May 4 '10 at 21:27
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How to change color in circular progress bar?
...droid:pivotY="50%"
android:fromDegrees="0"
android:toDegrees="360">
<shape
android:shape="ring"
android:innerRadiusRatio="3"
android:thicknessRatio="8"
android:useLevel="false">
<size
android:width="76dip"
androi...
C++/COM VARIANT实现二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术
...通过获得指向数组的指针方式来操作数组中的元素。
（3）使用VARIANT变量把SAFEARRAY进行包装。
使用SAFEARRAR实现二维数组的源代码如下：
VARTYPE vt = VT_I4; /*数组元素的类型，long*/
SAFEARRAYBOUND sab[2]; /*用于定义数组的维数和...
How to TryParse for Enum value?
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31
As others have said, you have to implement your own TryParse. Simon Mourier is providing a full...
Percentage width child element in absolutely positioned parent on Internet Explorer 7
...u are looking for. The following code displays exactly the same in Firefox 3 (mac) and IE7.
#absdiv {
position: absolute;
left: 100px;
top: 100px;
width: 80%;
height: 60%;
background: #999;
}
#pctchild {
width: 60%;
height: 40%;
background: #CCC;
}
#reldiv {
position...
Remove header and footer from window.print()
...nted version will look weird.
At the time original of this answer (May 2013), it only worked on Chrome, not sure about it now, never needed to try again. If you need support for a browser that can't hable, you can create a PDF on the fly and print that (you can create a self-printing PDF embedding ...
type object 'datetime.datetime' has no attribute 'datetime'
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238
Datetime is a module that allows for handling of dates, times and datetimes (all of which are d...
Output first 100 characters in a string
...s shorter than 100, for example print 'foo'[:100] (note that len('foo') is 3, so even when foo[100] doesn't work, it does)
– Rodrigo Laguna
Mar 28 '18 at 19:40
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Superscript in CSS only?
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edited May 23 '17 at 11:33
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answered Feb 1 '09 at 22:15
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How to get the return value from a thread in python?
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In Python 3.2+, stdlib concurrent.futures module provides a higher level API to threading, including passing return values or exceptions from a worker thread back to the main thread:
import concurrent.futures
def foo(bar):
print(...